Option 2: Take the train from Mianchi Railway Station to Lanzhou or Xining West and then transfer to Delingha. Mianchi to Lanzhou three times a day, Lanzhou to Delingha three times a day, Mianchi to Xining West once a day, Xining West to Delingha six times a day. After getting off at Delingha Railway Station, take the train from Delingha to Dachaidan and pass Yima.